#pragma ident "$Id$"



#ifndef GPSTK_SYSTEMTIME_HPP
#define GPSTK_SYSTEMTIME_HPP

//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 2.1 of the License, or
//  any later version.
//
//  The GPSTk is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GPSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================

#include "UnixTime.hpp"
#include <ctime>

namespace gpstk
{
/**
 * This class reads the current system time and stores it in
 * a UnixTime.
 */
class SystemTime
    : public UnixTime
{
public:
    /**
     * @defgroup stbo SystemTime Basic Operations
     */
    //@{

    /**
     * Default Constructor.
     * Reads the system clock for the current system time.
     */
    SystemTime()
    {
        setTimeSystem(TimeSystem::UTC);
        update();
    }

    /// Virtual Destructor.
    virtual ~SystemTime()
    {}

    /**
     * Copy Constructor.
     * @param right a reference to the SystemTime object to copy.
     */
    SystemTime( const SystemTime& right )
        : UnixTime( right )
    {}

    //@}

    /**
     * Update this object to the current system time.
     * @return a reference to this SystemTime
     */
    SystemTime& update();
};

}

#endif // GPSTK_SYSTEMTIME_HPP
